Linux Static IP register in Domain DNS

I am completely new to Linux and therefore I hope this is a simple query for those of you who know what they are doing.

Firstly the background. I have create a Virtual Server on Windows 2008 R2 on which I have installed Linux Mint 14. I have given it a fixed IP and opened up our firewall to allow internet access to this IP address. This all works fine and I have installed Apache, mySQL and PHP sucessfully.

My problem is with my network DNS. At present I can access my new linux box by IP, but it hasn't registered itself with our DNS server. Therefore when trying to access by name from another computer on our LAN it cannot find it.

I have set the network connection to use our domain name servers, however the resolv.conf file shows a nameserver of 127.0.1.1 which doesn't seem right to me.

It think in order to save time I will simply add the record manually to DNS. It does mean that if I change the IP address in the future I will have to update DNS, but this is not going to happen too often I hope!

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